FR2377711A1 - Illuminateur destine a une antenne pour capter entre autres des signaux emis par satellites - Google Patents
Illuminateur destine a une antenne pour capter entre autres des signaux emis par satellitesInfo
- Publication number
- FR2377711A1 FR2377711A1 FR7800511A FR7800511A FR2377711A1 FR 2377711 A1 FR2377711 A1 FR 2377711A1 FR 7800511 A FR7800511 A FR 7800511A FR 7800511 A FR7800511 A FR 7800511A FR 2377711 A1 FR2377711 A1 FR 2377711A1
- Authority
- FR
- France
- Prior art keywords
- illuminator
- waveguide
- antenna
- section
- satellites
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005684 electric field Effects 0.000 abstract 1
- 238000005286 illumination Methods 0.000 abstract 1
- 230000001939 inductive effect Effects 0.000 abstract 1
- 230000010287 polarization Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/24—Polarising devices; Polarisation filters
- H01Q15/242—Polarisation converters
- H01Q15/244—Polarisation converters converting a linear polarised wave into a circular polarised wave
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/165—Auxiliary devices for rotating the plane of polarisation
- H01P1/175—Auxiliary devices for rotating the plane of polarisation using Faraday rotators
Landscapes
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
- Details Of Aerials (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7700230,A NL180623C (nl) | 1977-01-12 | 1977-01-12 | Belichter voor een antenne. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2377711A1 true FR2377711A1 (fr) | 1978-08-11 |
FR2377711B1 FR2377711B1 (fi) | 1984-06-15 |
Family
ID=19827755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7800511A Granted FR2377711A1 (fr) | 1977-01-12 | 1978-01-10 | Illuminateur destine a une antenne pour capter entre autres des signaux emis par satellites |
Country Status (12)
Country | Link |
---|---|
US (1) | US4178574A (fi) |
JP (1) | JPS5388552A (fi) |
BR (1) | BR7800117A (fi) |
CA (1) | CA1110722A (fi) |
DE (1) | DE2800101A1 (fi) |
DK (1) | DK149675C (fi) |
FI (1) | FI71041C (fi) |
FR (1) | FR2377711A1 (fi) |
GB (1) | GB1565919A (fi) |
NL (1) | NL180623C (fi) |
NO (1) | NO148052C (fi) |
SE (1) | SE439561B (fi) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3023561C2 (de) * | 1980-06-24 | 1986-01-02 | Siemens AG, 1000 Berlin und 8000 München | Leitergitterstruktur zur Polarisationsumwandlung elektromagnetischer Wellen |
DE3023562C2 (de) * | 1980-06-24 | 1982-10-28 | Siemens AG, 1000 Berlin und 8000 München | Einrichtung zur Polarisationsumwandlung elektromagnetischer Wellen |
DE3108758A1 (de) * | 1981-03-07 | 1982-09-16 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Mikrowellen-empfangseinrichtung |
FR2502405A1 (fr) * | 1981-03-18 | 1982-09-24 | Portenseigne | Systeme de reception de signaux hyperfrequences a polarisations orthogonales |
JPS60165101A (ja) * | 1984-02-08 | 1985-08-28 | Mitsubishi Electric Corp | 偏波変換装置 |
NL8401335A (nl) * | 1984-04-26 | 1985-11-18 | Philips Nv | Ontvanginrichting voor toepassing in een tv front end. |
JPS60239107A (ja) * | 1984-05-14 | 1985-11-28 | Mitsubishi Electric Corp | アンテナ装置 |
US5257031A (en) * | 1984-07-09 | 1993-10-26 | Selenia Industrie Elettroniche Associate S.P.A. | Multibeam antenna which can provide different beam positions according to the angular sector of interest |
FR2594600B1 (fr) * | 1986-02-18 | 1988-04-15 | Alcatel Thomson Faisceaux | Dispositif de reglage de la polarisation d'une antenne et procede de mise en oeuvre d'un tel dispositif |
DE3875033D1 (de) * | 1987-08-12 | 1992-11-05 | Siemens Ag | Richtfunkantenne. |
GB8820097D0 (en) * | 1988-08-24 | 1988-09-28 | Racal Mesl Ltd | Radio signal polarising arrangements |
FR2777700B1 (fr) * | 1998-04-20 | 2000-07-07 | Org Europeenne Telecommunications Par Satellite Eutelsat | Agencement de convertisseur de frequences pour antennes parabolique |
US6297710B1 (en) | 1999-09-02 | 2001-10-02 | Channel Master Llc | Slip joint polarizer |
WO2010048174A1 (en) * | 2008-10-20 | 2010-04-29 | Ems Technologies, Inc. | Antenna polarization control |
KR101166728B1 (ko) * | 2011-01-27 | 2012-07-19 | (주)인텔리안테크놀로지스 | 다중 편파 위성 신호를 위한 편파기 회전 기구 및 이를 구비한 위성 신호 수신 장치 |
EP2684248B1 (en) * | 2011-03-09 | 2019-05-01 | Thrane & Thrane A/S | Device for switching between linear and circular polarization using a rotatable depolarizer |
JP2021077873A (ja) | 2019-11-07 | 2021-05-20 | 日東電工株式会社 | ダイシングテープ、及び、ダイシングダイボンドフィルム |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2978702A (en) * | 1957-07-31 | 1961-04-04 | Arf Products | Antenna polarizer having two phase shifting medium |
GB936111A (en) * | 1958-06-18 | 1963-09-04 | Cossor Ltd A C | Improvements in or relating to propagation of radar energy |
US3287730A (en) * | 1963-02-05 | 1966-11-22 | John L Kerr | Variable polarization antenna |
US3988732A (en) * | 1965-12-22 | 1976-10-26 | The United States Of America As Represented By The Secretary Of The Navy | 3-Channel selectable polarization, target discrimination antenna |
US3394375A (en) * | 1966-11-04 | 1968-07-23 | Northern Electric Co | Automatic tracking system for linearly polarized electromagnetic waves |
GB1330175A (en) * | 1970-08-04 | 1973-09-12 | Elliott Brothers London Ltd | Radio aerials |
-
1977
- 1977-01-12 NL NLAANVRAGE7700230,A patent/NL180623C/xx not_active IP Right Cessation
-
1978
- 1978-01-03 DE DE19782800101 patent/DE2800101A1/de not_active Ceased
- 1978-01-05 CA CA294,351A patent/CA1110722A/en not_active Expired
- 1978-01-05 US US05/867,129 patent/US4178574A/en not_active Expired - Lifetime
- 1978-01-09 BR BR7800117A patent/BR7800117A/pt unknown
- 1978-01-09 SE SE7800163A patent/SE439561B/sv not_active IP Right Cessation
- 1978-01-09 NO NO780079A patent/NO148052C/no unknown
- 1978-01-09 GB GB704/78A patent/GB1565919A/en not_active Expired
- 1978-01-09 DK DK9578A patent/DK149675C/da active
- 1978-01-09 JP JP61178A patent/JPS5388552A/ja active Granted
- 1978-01-09 FI FI780062A patent/FI71041C/fi not_active IP Right Cessation
- 1978-01-10 FR FR7800511A patent/FR2377711A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
NL180623C (nl) | 1987-08-17 |
DK149675B (da) | 1986-09-01 |
NO780079L (no) | 1978-07-13 |
NL7700230A (nl) | 1978-07-14 |
JPS5388552A (en) | 1978-08-04 |
JPS6232842B2 (fi) | 1987-07-17 |
DK149675C (da) | 1987-04-13 |
NO148052C (no) | 1983-07-27 |
DE2800101A1 (de) | 1978-07-13 |
CA1110722A (en) | 1981-10-13 |
FI71041B (fi) | 1986-07-18 |
FI780062A (fi) | 1978-07-13 |
DK9578A (da) | 1978-07-13 |
FR2377711B1 (fi) | 1984-06-15 |
GB1565919A (en) | 1980-04-23 |
SE7800163L (sv) | 1978-07-13 |
FI71041C (fi) | 1986-10-27 |
NL180623B (nl) | 1986-10-16 |
SE439561B (sv) | 1985-06-17 |
NO148052B (no) | 1983-04-18 |
BR7800117A (pt) | 1978-10-24 |
US4178574A (en) | 1979-12-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2377711A1 (fr) | Illuminateur destine a une antenne pour capter entre autres des signaux emis par satellites | |
FR2357078A1 (fr) | Antenne omnidirectionnelle multiple | |
CA2129139A1 (en) | Antenna devices | |
FR2458201A1 (fr) | Systeme resonnant micro-onde a double frequence de resonance et cyclotron muni d'un tel systeme | |
FI960905A0 (fi) | Antennikokoonpano ja kannettava radiolaite | |
ES414016A1 (es) | Una disposicion de caja de empalmes. | |
FR2396433A1 (fr) | Antenne radio escamotable pouvant etre aplatie et enroulee sur un tambour, particulierement pour vehicules automobiles et appareils mobiles | |
FR2429505A1 (fr) | Systeme d'alimentation periscopique pour antenne bi-gamme | |
Lo et al. | Multiwavelength VLBI observations of the galactic center | |
KR860000678A (ko) | 분극신호 수신프로우브 | |
US2497687A (en) | Radio aerial for use on vehicles | |
FR2371065A1 (fr) | Aiguillage de polarisation a large bande | |
GB1160805A (en) | Improvements in or relating to Flexible Conduits | |
JPS5748801A (en) | Dielectric substance filter | |
FR2386156A1 (fr) | Lentille dielectrique | |
FR2357912A1 (fr) | Station de refefence pour systeme de mesure de distance | |
JPS5323249A (en) | Circular polarized wave generator | |
USD246688S (en) | Rod for unlocking and locking the door of a vehicle | |
GB1080941A (en) | Probe | |
JPS5730378A (en) | Semiconductor photodetector | |
BURNS et al. | The parabolic cylindrical waveguide(Parabolic cylindrical waveguide formed by intersection of two confocal parabolic metal surfaces, determining eigenvalues of wave functions subject to boundary conditions yielding TE and TM modes) | |
GB1080114A (en) | Improvements in or relating to multiple reflection optical apparatus | |
CH482316A (fr) | Antenne pylône demi-onde pour l'émission d'ondes radioélectriques moyennes | |
GB1532237A (en) | Aerial arrays | |
GB1290649A (fi) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |